Poor quality USB cables or a faulty USB port. The Actia interface is highly sensitive to voltage drops.
Requires specific workarounds or Version 9.xx (often via Virtual Machines) because the original 32-bit drivers do not have digital signatures for modern 64-bit systems. Where to Find the Driver Link
Build & Hardware
The ACTIA driver translates the standard Windows USB subsystem architecture into an emulated Plug-and-Play interface ( ACTIAPnP ), allowing the DiagBox shell to reliably push telecoding instructions, clear deep fault codes, and configure custom modules.
Plug your XS Evolution into the USB port. Open ( devmgmt.msc ). Look for "USB Com Board Evolution Driver (Multi-instance)" or an "Unknown Device" with a yellow exclamation mark. 3. Manual Update Right-click the device > Update Driver . Select "Browse my computer for drivers" . actia psa xs evolution 9780z5 driver link
Which is installed on your computer?
Look for an unknown device or a device marked with a yellow exclamation point, typically labeled or "Unknown Device" . Right-click the device and choose Update driver . Select Browse my computer for drivers . Poor quality USB cables or a faulty USB port
: Units labeled "Made in France" with serial numbers like 921815B or 40W07 are often identified as clones. Clones may require specific firmware patches (like "Evolution mode") to remain stable with DiagBox. Installation & Compatibility Tips Genuine Actia XS not found - French Car Forum